/* DiaLib (Diagrams) — Design System Tokens */
:root {
    /* Primary — brand magenta #C3185D (the color baked into all 253 generated images; NOT Workout's #C2185B) */
    --di-primary: #C3185D;
    --di-primary-hover: #A31350;
    --di-primary-light: #FBE4EF;
    --di-primary-muted: rgba(195, 24, 93, 0.12);

    /* Surfaces */
    --di-bg: #FFF7FA;
    --di-surface: #FFFFFF;
    --di-border: #F0DEE7;
    --di-border-strong: #D4A0B5;

    /* Text — warm plum-tinted grays */
    --di-text: #2D2D2D;
    --di-text-secondary: #6B5460;
    --di-text-tertiary: #9E8A93;

    /* Semantic */
    --di-ready: #4A7C59;
    --di-nogood: #C45C3B;
    --di-unreviewed: #9E8A93;
    --di-scene-flag: #E8A835;
    --di-refphoto-flag: #7B4FA0;

    /* Shadows */
    --di-shadow-sm: 0 1px 3px rgba(195, 24, 93, 0.06);
    --di-shadow-md: 0 4px 12px rgba(195, 24, 93, 0.08);
    --di-shadow-lg: 0 8px 24px rgba(195, 24, 93, 0.10);

    /* Border radius — lozenge system */
    --di-radius-md: 12px;
    --di-radius-sm: 8px;
    --di-radius-full: 50%;

    /* Typography */
    --di-font-display: 'Montserrat', sans-serif;
    --di-font-body: 'Heebo', sans-serif;

    --di-text-xs: 0.75rem;
    --di-text-sm: 0.875rem;
    --di-text-base: 1rem;
    --di-text-lg: 1.125rem;
    --di-text-xl: 1.5rem;
    --di-text-2xl: 2rem;

    --bs-body-bg: var(--di-bg);
    --bs-body-color: var(--di-text);
    --bs-body-font-family: var(--di-font-body);
    --bs-border-color: var(--di-border);
    --bs-link-color: var(--di-primary);
    --bs-link-hover-color: var(--di-primary-hover);
}

body {
    font-family: var(--di-font-body);
    color: var(--di-text);
    background: var(--di-bg);
    -webkit-font-smoothing: antialiased;
}

.font-display { font-family: var(--di-font-display); }
.font-body { font-family: var(--di-font-body); }

.spinner-border.text-primary { color: var(--di-primary) !important; }
.page-overlay { background: var(--di-bg); }

/* ═══ Components ═══ */

.di-card {
    background: var(--di-surface);
    border-radius: var(--di-radius-md);
    box-shadow: var(--di-shadow-sm);
    padding: 16px 20px;
}

.di-text-secondary { color: var(--di-text-secondary); }
.di-text-tertiary { color: var(--di-text-tertiary); }

.di-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    min-height: 44px;
    border: none;
    border-radius: var(--di-radius-md);
    background: linear-gradient(135deg, #C3185D 0%, #A31350 100%);
    color: #fff;
    font-family: var(--di-font-display);
    font-weight: 600;
    font-size: var(--di-text-sm);
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.di-btn-primary:hover { background: linear-gradient(135deg, #A31350 0%, #8A0F43 100%); box-shadow: var(--di-shadow-md); color: #fff; }
.di-btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.di-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    min-height: 44px;
    border: 2px solid var(--di-primary);
    border-radius: var(--di-radius-md);
    background: transparent;
    color: var(--di-primary);
    font-family: var(--di-font-display);
    font-weight: 600;
    font-size: var(--di-text-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}

.di-btn-secondary:hover { background: var(--di-primary-light); color: var(--di-primary); }

.di-btn-danger {
    border-color: var(--di-nogood);
    color: var(--di-nogood);
}
.di-btn-danger:hover { background: rgba(196, 92, 59, 0.1); color: var(--di-nogood); }

.di-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    border: none;
    border-radius: var(--di-radius-sm);
    background: transparent;
    color: var(--di-text-secondary);
    font-size: var(--di-text-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
}
.di-btn-ghost:hover { background: var(--di-primary-light); color: var(--di-primary); }

.di-input, .di-select, textarea.di-input {
    padding: 8px 12px;
    border: 1.5px solid var(--di-border);
    border-radius: var(--di-radius-md);
    background: var(--di-surface);
    color: var(--di-text);
    font-family: var(--di-font-body);
    font-size: var(--di-text-base);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    outline: none;
}
.di-input:focus, .di-select:focus { border-color: var(--di-primary); box-shadow: 0 0 0 3px rgba(195, 24, 93, 0.15); }

.di-label {
    font-family: var(--di-font-display);
    font-size: var(--di-text-xs);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--di-text-tertiary);
}

.di-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border-radius: var(--di-radius-md);
    font-size: var(--di-text-sm);
    font-weight: 500;
    text-decoration: none;
    border: 1.5px solid var(--di-border);
    color: var(--di-text-secondary);
    transition: all 0.15s ease;
}
.di-pill:hover { border-color: var(--di-primary); color: var(--di-primary); }
.di-pill.active { background: var(--di-primary); color: #fff; border-color: var(--di-primary); }

.di-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--di-radius-md);
    font-size: var(--di-text-xs);
    font-weight: 600;
}
.di-badge-unreviewed { background: rgba(158, 138, 147, 0.15); color: var(--di-unreviewed); }
.di-badge-ready { background: rgba(74, 124, 89, 0.15); color: var(--di-ready); }
.di-badge-nogood { background: rgba(196, 92, 59, 0.15); color: var(--di-nogood); }
.di-badge-scene { background: rgba(232, 168, 53, 0.18); color: #A87A10; }
.di-badge-refphoto { background: rgba(123, 79, 160, 0.15); color: var(--di-refphoto-flag); }

/* ═══ Top / Bottom Nav ═══ */

.di-nav-top {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    padding: 0 24px;
    background: var(--di-surface);
    box-shadow: var(--di-shadow-sm);
}

.di-nav-brand { font-weight: 700; font-size: var(--di-text-lg); color: var(--di-primary); }
.di-nav-tabs { display: flex; gap: 4px; }

.di-nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--di-radius-sm);
    color: var(--di-text-secondary);
    font-family: var(--di-font-display);
    font-weight: 600;
    font-size: var(--di-text-sm);
    text-decoration: none;
    transition: all 0.15s ease;
}
.di-nav-tab:hover { color: var(--di-primary); background: var(--di-primary-light); }
.di-nav-tab.active { color: var(--di-primary); background: var(--di-primary-muted); }

.di-nav-right { display: flex; align-items: center; gap: 12px; }
.di-nav-user { font-size: var(--di-text-sm); color: var(--di-text-secondary); }
.di-nav-link { font-size: var(--di-text-sm); color: var(--di-text-tertiary); text-decoration: none; }
.di-nav-link:hover { color: var(--di-primary); }

.di-nav-bottom {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 100;
    display: flex;
    height: 56px;
    background: var(--di-surface);
    box-shadow: 0 -2px 8px rgba(195, 24, 93, 0.06);
}
.di-nav-bottom .di-nav-tab { flex: 1; flex-direction: column; justify-content: center; border-radius: 0; font-size: var(--di-text-xs); gap: 2px; padding: 4px; }
.di-nav-bottom .di-nav-tab i { font-size: 1.1rem; }

.di-main { padding: 16px; padding-bottom: 72px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 768px) { .di-main { padding: 24px; padding-bottom: 24px; } }

/* ═══ Login ═══ */

.login-container { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.login-card { width: 100%; max-width: 400px; padding: 32px 24px; }
.login-header { text-align: center; margin-bottom: 24px; }
.login-header .di-nav-brand { font-size: var(--di-text-2xl); display: block; margin-bottom: 8px; }
.login-subtitle { color: var(--di-text-secondary); font-size: var(--di-text-sm); margin: 0; }
.login-users { display: flex; flex-direction: column; gap: 8px; }

.login-user-btn {
    display: flex; align-items: center; gap: 12px; width: 100%;
    padding: 12px 16px; border: 1.5px solid var(--di-border); border-radius: var(--di-radius-md);
    background: var(--di-surface); cursor: pointer; transition: all 0.15s ease;
}
.login-user-btn:hover { border-color: var(--di-primary); background: var(--di-primary-light); }

.login-user-avatar {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--di-radius-full);
    background: var(--di-primary); color: #fff; font-weight: 700; font-size: var(--di-text-lg); flex-shrink: 0;
}
.login-user-name { flex: 1; text-align: left; font-weight: 500; color: var(--di-text); }
.login-user-arrow { color: var(--di-text-tertiary); font-size: var(--di-text-sm); }

.login-divider { display: flex; align-items: center; gap: 12px; margin: 20px 0; color: var(--di-text-tertiary); font-size: var(--di-text-sm); }
.login-divider::before, .login-divider::after { content: ''; flex: 1; height: 1px; background: var(--di-border); }
.login-create-row { display: flex; gap: 8px; }
.login-create-input { flex: 1; }
.login-create-btn { min-height: 42px; padding: 8px 20px; }

/* ═══ Home ═══ */

.home-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-top: 16px; }
.home-tile {
    display: block; text-decoration: none; color: inherit;
    padding: 20px; border-radius: var(--di-radius-md); background: var(--di-surface);
    box-shadow: var(--di-shadow-sm); transition: box-shadow 0.15s ease;
}
.home-tile:hover { box-shadow: var(--di-shadow-md); }
.home-tile-count { font-family: var(--di-font-display); font-size: var(--di-text-2xl); font-weight: 700; color: var(--di-primary); }
.home-tile-label { font-size: var(--di-text-sm); color: var(--di-text-secondary); margin-top: 4px; }

/* ═══ Review: Filters + Grid ═══ */

.review-filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px; }
.review-filters form { display: contents; }

.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

.review-card { position: relative; background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm); overflow: hidden; transition: box-shadow 0.15s ease; }
.review-card:hover { box-shadow: var(--di-shadow-md); }
.review-card > a { display: block; text-decoration: none; color: inherit; }
.review-card-reset {
    position: absolute; top: 8px; right: 8px; z-index: 5;
}
.review-card-reset .di-btn-ghost {
    background: rgba(255, 255, 255, 0.92); box-shadow: var(--di-shadow-sm);
    width: 30px; height: 30px; padding: 0;
}
.review-card-reset .di-btn-ghost:hover { background: var(--di-surface); }

.review-card-img-wrap { position: relative; width: 100%; aspect-ratio: 3 / 2; background: var(--di-primary-light); overflow: hidden; }
.review-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.review-card-img-empty { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--di-text-tertiary); font-size: var(--di-text-sm); }

.review-card-badges { position: absolute; top: 8px; left: 8px; display: flex; gap: 4px; flex-wrap: wrap; }
.review-card-body { padding: 10px 14px; }
.review-card-name { font-weight: 600; font-size: var(--di-text-sm); color: var(--di-text); margin-bottom: 2px; }
.review-card-meta { font-size: var(--di-text-xs); color: var(--di-text-tertiary); }

.review-empty { text-align: center; padding: 60px 16px; color: var(--di-text-tertiary); }

/* ═══ Review: Focus Mode ═══ */

.focus-container { display: flex; gap: 24px; align-items: flex-start; }
.focus-image-col { flex: 1; min-width: 0; }
.focus-image-wrap { background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm); padding: 12px; text-align: center; }
.focus-image-wrap img { max-width: 100%; max-height: 78vh; border-radius: var(--di-radius-sm); }
.focus-image-empty { padding: 80px 16px; color: var(--di-text-tertiary); }

.focus-rail { width: 340px; flex-shrink: 0; display: flex; flex-direction: column; gap: 12px; }
.focus-position { font-family: var(--di-font-display); font-size: var(--di-text-sm); color: var(--di-text-tertiary); display: flex; align-items: center; justify-content: space-between; }
.focus-position a { color: var(--di-text-secondary); text-decoration: none; }
.focus-position a:hover { color: var(--di-primary); }

.focus-title { font-family: var(--di-font-display); font-size: var(--di-text-xl); font-weight: 700; margin: 0; }
.focus-meta-row { display: flex; flex-wrap: wrap; gap: 6px; font-size: var(--di-text-sm); color: var(--di-text-secondary); }
.focus-badges { display: flex; gap: 6px; flex-wrap: wrap; }

.focus-details summary { cursor: pointer; font-family: var(--di-font-display); font-weight: 600; font-size: var(--di-text-sm); color: var(--di-text-secondary); padding: 4px 0; }
.focus-details-body { font-size: var(--di-text-sm); color: var(--di-text-secondary); white-space: pre-wrap; padding: 8px 0; line-height: 1.5; }

.focus-controls { display: flex; flex-direction: column; gap: 10px; padding-top: 8px; border-top: 1px solid var(--di-border); }
.focus-btn-ready, .focus-btn-nogood { flex: 1; min-height: 52px; font-size: var(--di-text-base) !important; }
.focus-btn-ready { background: linear-gradient(135deg, #4A7C59 0%, #3A6247 100%) !important; }
.focus-btn-nogood { background: linear-gradient(135deg, #C45C3B 0%, #A3492D 100%) !important; }

.focus-nogood-panel { display: flex; flex-direction: column; gap: 8px; padding: 12px; border-radius: var(--di-radius-md); background: var(--di-primary-light); }
.focus-issue-check { display: flex; align-items: center; gap: 8px; font-size: var(--di-text-sm); cursor: pointer; }
.focus-issue-check input { accent-color: var(--di-primary); width: 18px; height: 18px; }

.focus-keyboard-legend { font-size: var(--di-text-xs); color: var(--di-text-tertiary); display: flex; flex-wrap: wrap; gap: 10px; padding-top: 8px; }
.focus-keyboard-legend kbd {
    /* Bootstrap's default kbd sets color:#fff for a dark badge (--bs-kbd-color); without an
       explicit override here it wins the cascade over our white background, making the key
       glyphs invisible. */
    color: var(--di-text);
    background: var(--di-surface);
    border: 1px solid var(--di-border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: monospace;
}

@media (max-width: 991.98px) {
    .focus-container { flex-direction: column; }
    .focus-rail { width: 100%; }
}

/* ═══ Search ═══ */

.search-hero { display: flex; flex-direction: column; align-items: center; padding: 40px 16px 24px; text-align: center; }
.search-hero h1 { font-family: var(--di-font-display); font-weight: 700; margin-bottom: 16px; }
.search-input-wrap { position: relative; width: 100%; max-width: 520px; }
.search-input-lg { width: 100%; font-size: var(--di-text-lg); padding: 14px 18px; }

.search-suggestions {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 50;
    background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-lg);
    margin-top: 6px; max-height: 320px; overflow-y: auto; text-align: left;
}
.search-suggestion-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; cursor: pointer; font-size: var(--di-text-sm); }
.search-suggestion-item:hover { background: var(--di-primary-light); }
.search-suggestion-name { font-weight: 600; }
.search-suggestion-alias { color: var(--di-text-tertiary); font-size: var(--di-text-xs); }

.search-results-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; margin-top: 24px; }
.search-result-card { background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm); padding: 12px; text-decoration: none; color: inherit; display: block; }
.search-result-card:hover { box-shadow: var(--di-shadow-md); }
.search-result-name { font-weight: 600; }
.search-result-meta { font-size: var(--di-text-xs); color: var(--di-text-tertiary); }

.search-selected-header { margin-bottom: 16px; }
.search-diagram-panel { background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm); padding: 16px; margin-bottom: 16px; }
.search-diagram-panel img { max-width: 100%; border-radius: var(--di-radius-sm); margin-bottom: 12px; }
.search-diagram-actions { display: flex; gap: 8px; }
.search-copy-status { font-size: var(--di-text-sm); color: var(--di-ready); margin-left: 8px; }

/* ═══ Movement ═══ */

.movement-list { display: flex; flex-direction: column; gap: 8px; }
.movement-row {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm);
    text-decoration: none; color: inherit; transition: box-shadow 0.15s ease;
}
.movement-row:hover { box-shadow: var(--di-shadow-md); }
.movement-row-name { font-weight: 600; flex: 1; min-width: 0; }
.movement-row-meta { font-size: var(--di-text-xs); color: var(--di-text-tertiary); }

.movement-detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; align-items: start; }
@media (max-width: 991.98px) { .movement-detail-grid { grid-template-columns: 1fr; } }

.alias-chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.alias-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: var(--di-radius-md); background: var(--di-primary-light); color: var(--di-primary); font-size: var(--di-text-sm); }
.alias-chip button { border: none; background: none; color: var(--di-primary); cursor: pointer; padding: 0; line-height: 1; }

.diagram-history-list { display: flex; flex-direction: column; gap: 10px; }
.diagram-history-item { display: flex; gap: 12px; padding: 10px; border-radius: var(--di-radius-md); border: 1px solid var(--di-border); }
.diagram-history-thumb { width: 96px; height: 64px; object-fit: cover; border-radius: var(--di-radius-sm); flex-shrink: 0; background: var(--di-primary-light); }
.diagram-history-thumb-empty { width: 96px; height: 64px; border-radius: var(--di-radius-sm); background: var(--di-primary-light); flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: var(--di-text-tertiary); font-size: var(--di-text-xs); }
.diagram-history-body { flex: 1; min-width: 0; }
.diagram-history-item.highlight { border-color: var(--di-primary); background: var(--di-primary-light); }

/* ═══ Queue ═══ */

.queue-command-box { background: #1E1E1E; color: #E8E8E8; padding: 12px 16px; border-radius: var(--di-radius-md); font-family: monospace; font-size: var(--di-text-sm); overflow-x: auto; margin-bottom: 20px; }
.queue-list { display: flex; flex-direction: column; gap: 8px; }
.queue-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; background: var(--di-surface); border-radius: var(--di-radius-md); box-shadow: var(--di-shadow-sm); }
.queue-item-body { flex: 1; min-width: 0; }
.queue-item-prompt { font-size: var(--di-text-xs); color: var(--di-text-tertiary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }